Oracle Cloud Hangout Cafe - サービス間通信のトレンド - gRPC & GraphQL入門 / ochacafe-grpc-graphql

by oracle4engineer

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gRPC GraphQL Kyotaro Nonaka Solution Engineer Oracle Corporation Japan August 27th, 2020

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以下の事項は、弊社の一般的な製品の方向性に関する概要を説明するものです。また、情報提供を唯一の目的とするものであり、いかなる契約にも組み込むことはできません。以下の事項は、マテリアルやコード、機能を提供することを確約するものではないため、購買決定を行う際の判断材料になさらないで下さい。オラクル製品に関して記載されている機能の開発、リリース、時期及び価格については、弊社の裁量により決定され、変更される可能性があります。 Safe harbor statement Copyright © 2020, Oracle and/or its affiliates 2

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Unary RPC • RPC 1 1 RPC • 1 RPC • 1 RPC • / Copyright © 2020, Oracle and/or its affiliates 18 gRPC Client gRPC Server request response gRPC Client gRPC Server request response gRPC Client gRPC Server request response gRPC Client gRPC Server request response

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Protocol Buffers + • Java • Protocol Buffers gRPC GrpcMpExtension • io.helidon.microprofile.grpc.server.s pi.GrpcMpExtension gRPC Copyright © 2020, Oracle and/or its affiliates 27 proto request response + Protocol Buffers Extension

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• Server Streaming ClientStreaming Streaming • • Client sleep Copyright © 2020, Oracle and/or its affiliates 33 {name: a} {name: b} {name: c} {hello a} {hello b} {hello c} Java gRPC Server Java gRPC Client

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GraphQL HTTP API Facebook Github, Airbnb, Twitter • : https://graphql.org/users/ GraphQL Foundation CNCF GraphQL landscape • : https://landscape.graphql.org/ Copyright © 2020, Oracle and/or its affiliates 39 GraphQL GraphQL

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• URI REST • GraphQL Server Copyright © 2020, Oracle and/or its affiliates 41 GraphQL Client GraphQL Server Database Backend 3rd party API GraphQL GraphQL Server REST Client Backend 3rd party API REST API Database

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GraphQL GET POST GraphQL 2 • Apollo Client: GraphQL Apollo 1 JavaScript (React, Vue, Angular) • Relay: Facebook React/React Native Client Copyright © 2020, Oracle and/or its affiliates 44 curl -X POST -H "Content-Type: application/json" -d '{"query": "{ hello }"}' http://localhost:4000/graphql CURL

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GraphiQL/GraphQL Playground • GraphQL IDE • GraphiQL GraphQL Foundation • Playground Prisma Apollo • GraphQL Client, Server, CLI • Client React, Vue, Angular FW • Server Heroku, AWS Lambda, Azure Functions Hasura GraphQL Engine • Postgres GraphQL Server • GraphQL Foundation CNCF Copyright © 2020, Oracle and/or its affiliates 48

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• Node.js(Express) + Apollo GraphQL Server • query/mutation/subscription GraphQL Playground(GraphQL IDE) Copyright © 2020, Oracle and/or its affiliates 54 Node.js Express GraphQL Server Playground endpoint Playground UI

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